A positive charge of q is located 5.90 m to the left ofa negative charge q . The charges have differentmagnitudes. On the line through the charges, the netelectric field is zero at a spot 1.11 m to the right of thenegative charge. On this line there are also two spotswhere the potential is zero. (a) How far to the left ofthe negative charge is one spot?(b) How far to theright of the negative charge is the other?

The figure below shows a system of two charged particles and several labeled test locations. We will set V = 0 infinitely far away. A +Q d B * C +Q d H D

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Given two particles with Q = 2.90-μC charges as shown in the figure below and particle with charge q = 1.32 x 10-18 C at the origin. (Note: Assume a reference level of potential V = 0 at r = ∞.) y the. x = -0.800 m 0 x=0.800 m Q (a) What is the net force (in N) exerted by the two 2.90-μC charges on the charge q? (Enter the magnitude.) N (b) What is the electric field (in N/C) at the origin due to the two 2.90-μC particles? (Enter the magnitude.) N/C (c) What is the electrical potential (in kV) at the origin due to the two 2.90-µC particles? kV (d) What If? What would be the change in electric potential energy (in J) of the system if the charge q were moved a distance d = 0.400 m closer to either of the 2.90-μC particles?